Class 10 Science Human Eye And Colourful World? CBSE Questions & Answers

Class 10 · Science Human Eye And Colourful World?

This is Science class 10 Science Human Eye and Colourful World? CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Match the following with correct response. (1) Sclerotic (2) Cornea (3) Iris (4) Crystalline lens (A) Outer bulging part of eye from the front (B) A natural double convex lens (C) A dark muscular diaphragm that controls the size of the pupil (D) Outermost covering containing internal parts
  • A
    1-D, 2-A, 3-C, 4-B
    Correct
  • B
    1-B, 2-D, 3-A, 4-C
  • C
    1-C, 2-B, 3-D, 4-A
  • D
    1-A, 2-C, 3-B, 4-D
2
Match the following with correct response. (1) Power of accommodation (2) Near points (3) Far point (4) Least distance of distinct vision (A) Farthest point to which the eye see clearly (B) The ability of eye lens to focus near and far objects (C) Minimum distance at which eye can see the objects cleary without straen (D) Nearest point which the eye can see clearly
  • A
    1-A, 2-C, 3-B, 4-D
  • B
    1-B, 2-D, 3-A, 4-C
    Correct
  • C
    1-D, 2-A, 3-C, 4-B
  • D
    1-C, 2-B, 3-D, 4-A
3
Match the following with correct response. (1) Cataract (2) Myopia (3) Hyper metropia (4) Presbyopia (A) Old age person unable to see near objects clearly due to weakening of cilliary muscles (B) A person can see near objects but not able to see for objects clearly (C) Opacity of the lens (D) A person can see far objects but not oble to see near objects clearly
  • A
    1-B, 2-D, 3-A, 4-C
  • B
    1-D, 2-A, 3-C, 4-B
  • C
    1-A, 2-C, 3-B, 4-D
  • D
    1-C, 2-B, 3-D, 4-A
    Correct
4
Match the following with correct response. (1) Prism (2) Spectrum (3) Tyndall effect (4) Rainbow (A) A medium bounded by two plane refracting surfaces at an angle (B) Scattering of beam of light, when it passes through colloidal solution (C) Splitting up of white light into its components (D) It is a spectrum of white light when it passes through small rain drops
  • A
    1-B, 2-D, 3-A, 4-C
  • B
    1-A, 2-C, 3-B, 4-D
    Correct
  • C
    1-C, 2-B, 3-D, 4-A
  • D
    1-D, 2-A, 3-C, 4-B
5
Match the following with correct response. (1) Retina (2) Blind spot (3) Iris (4) Ciliary muscles (A) Region without any sensory cells (B) Change the focal length of eye lens (C) Give colours to the eye (D) Light sensitive layer
  • A
    1-C, 2-B, 3-D, 4-A
  • B
    1-A, 2-C, 3-B, 4-D
  • C
    1-D, 2-A, 3-C, 4-B
    Correct
  • D
    1-B, 2-D, 3-A, 4-C
6
Match the following with correct response. (1) Hypermetropia (2) Presbyopia (3) Myopia(4) Astigmatism (A) Elongation in focal length (B) Shortening of eye ball (C) Cornea or the eye lens or both are not perfectly spherical (D) Weakening of the ciliary muscles
  • A
    1-B, 2-D, 3-A, 4-C
    Correct
  • B
    1-D, 2-A, 3-C, 4-B
  • C
    1-C, 2-B, 3-D, 4-A
  • D
    1-A, 2-C, 3-B, 4-D
7
Match the following with correct response. (1) Hypermetropia (2) Myopia (3) Presbyopia (4) Astigmatism (A) Cylindrical lens (B) Concave lens (C) Convex lens (D) Bifocal lens
  • A
    1-C, 2-B, 3-D, 4-A
    Correct
  • B
    1-A, 2-C, 3-B, 4-D
  • C
    1-D, 2-A, 3-C, 4-B
  • D
    1-B, 2-D, 3-A, 4-C
8
Match the following with correct response. (1) Atmospheric refraction (2) Scattering of light (3) Dispersion (4) Tyndall effect (A) Twinkling of star (B) Rainbow (C) Red colour of rising sun (D) White colour of clouds
  • A
    1-D, 2-A, 3-C, 4-B
  • B
    1-C, 2-B, 3-D, 4-A
  • C
    1-A, 2-C, 3-B, 4-D
    Correct
  • D
    1-B, 2-D, 3-A, 4-C
9
Match the following with correct response. (1) Pupil (2) Choroid (3) Retina(4) Sclerotic (A) Iris, Pupil (B) Cornea(C) Ciliary muscles, lens (D) Acts as a variable aperture in eye
  • A
    1-C, 2-B, 3-D, 4-A
  • B
    1-D, 2-A, 3-C, 4-B
    Correct
  • C
    1-B, 2-D, 3-A, 4-C
  • D
    1-A, 2-C, 3-B, 4-D
10
Which of following phenomena based on atmospheric refraction and total internal reflection A. Sun appears to rise 2 minutes before and 2 minutes later B. Stars seen higher than they actually are C. RainbowD. Blue colour of clear sky
  • A
    A and D
  • B
    A and C
  • C
    A and B
    Correct
  • D
    B and C
11
In Hypermetropia A. Curvature of the lens becomes less than normal B. Elongation of the eye ballC. Curvature of lens become more than normal D. Shortening of the eye ball
  • A
    A and D
    Correct
  • B
    A, B and C
  • C
    A and B
  • D
    B and D
12
Cone cells helps us to see-A. In darkB. In daytime C. Colours D. None
  • A
    All of these
  • B
    A and C
  • C
    A and B
  • D
    B and C
    Correct
13
Rainbow is formed due to combination of ?A. Refraction B. AbsorptionC. Dispersion D. Total internal reflection
  • A
    C and D
    Correct
  • B
    A, B and C
  • C
    A and C
  • D
    A and B
14
Which of the following statement are incorrect-A. Person who wear spectacles cannot donate eyes B. Presbyopia is corrected by placing a convex lens C. Hypermetropia is also known as short sightedness D. Red light has longest wavelength
  • A
    A, B and D
  • B
    A and B
  • C
    A and D
  • D
    A and C
    Correct
15
Which of the following is mismatched A. Iris Regulates the amount of lightB. Ciliary muscles ? Increases or decreases the size of lensC. Optic nerves- Forms image of an object D. Retina- Send signal to the brain to interpret the signal
  • A
    C and D
    Correct
  • B
    A and C
  • C
    All of these
  • D
    B and C